Question

equação do 1º grau
4x – 2 = 9x + 18​

Answer 1

$\boxed{\begin{array}{lr} 4x-2=9x+18\\4x-9x=18+2\\-5x=20\\5x=-20\\x=\dfrac{-20}{5}\\\\\boxed{\begin{array}{lr} x=-4\ \ \checkmark \end{array}} \end{array}}$

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